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Coordinate Measuring Machines (CMM)

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About Coordinate Measuring Machines (CMM)

Coordinate Measuring Machines (CMM) are mechanical systems designed to move a measuring probe to determine coordinates of points on a work piece surface.  CMMs are comprised of four main components: the machine itself, the measuring probe, the control or computing system, and the measuring software.  Machines are available in a wide range of sizes and designs with a variety of different probe technologies.

Important specifications for coordinate measuring machines are the measuring lengths along the x, y and z axes as well as resolution and workpiece weight.  The x-axis measuring length is the total travel, or measuring length that can be performed in the x-direction.  The y-axis measuring length is the total travel, or measuring length that can be performed in the y-direction.  The z-axis measuring length is the total travel, or measuring length that can be performed in the z-direction.  These are not necessarily the same as the measuring capacity, which is the maximum size of the object in the x, y or z-direction that the machine can accommodate.  The resolution is the least increment of a measuring device; on digital instruments, the least significant bit (Reference: ANSI B-89.1.12).  The workpiece weight is the mass of the work piece being measured.

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Engineering Web: Coordinate Measuring Machines CMM

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Home - Brown & Sharpe - Brown & Sharpe
Bridge-style Coordinate measuring machines from Brown & Sharpe, Horizontal Arm CMMs and Gantry CMMs by DEA, the Ultra-High Accuracy CMM line from
See Brown & Sharpe, Inc., a brand of Hexagon Metrology, Inc. Information
Google Directory -...
Coordinate Measuring Machines Business > Industrial Goods and Services > Machinery and Tools > Industrial Metrology > Coordinate Measuring Machines
See Google, Inc. Information
Product Catalog > B89 - 1990 Technical Paper 1990, Space Plate...
B89 - 1990 Technical Paper 1990, Space Plate Test Recommendations For Coordinate Measuring Machines (CMM)
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